Brand:Woodward Item No.:MRI3I5E5DM Product Origin:USA Product Dimensions:140 × 120 × 60 mm Product Weight:0.65 kg Payment:T/T, Western Union, Credit Card Goods_stock:15 Shipping Port:Xiamen, China Lead Time:1-3 Days Condition:Brand New And Original Warranty:1 Year Certificate:COO
The Woodward MRI3I5E5DM Protection Relay is a multifunctional digital protection device designed to ensure safe and stable operation of electrical systems. It continuously monitors electrical parameters and responds rapidly to abnormal conditions to protect critical equipment.
Technical Specifications
Parameter
Details
Model
MRI3I5E5DM
Function
Digital Protection Relay
Protection Types
Overcurrent, earth fault, system monitoring
Input Rating
1 A / 5 A CT input
Auxiliary Supply
Industrial AC/DC control supply
Communication
Optional industrial protocols (system dependent)
Dimensions
140 × 120 × 60 mm
Weight
0.65 kg
Mounting Type
Panel / switchgear mounted
Operating Environment
Industrial electrical systems
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Digital Protection Relay
Applications
• Used in electrical protection systems for generators, transformers, motors, and distribution networks.
• Applied in power plants and industrial facilities to detect and isolate overcurrent, earth fault, and abnormal operating conditions.
• Commonly integrated into medium and low-voltage switchgear systems for equipment protection and system stability.
• Supports marine, oil & gas, and utility infrastructure requiring reliable fault detection and fast tripping response.
• Used in automated power distribution systems where continuous monitoring and protection coordination are required.
Key Advantages
• Fast and accurate fault detection improves overall system safety.
• Microprocessor-based design ensures stable and reliable protection logic.
• Flexible configuration supports multiple protection functions in one unit.
• Compact structure allows easy installation in control panels and switchgear.
• Designed for long-term operation in harsh industrial environments.
Technical FAQs
1. What is the main function of this relay?
It provides electrical protection by detecting faults such as overcurrent and earth faults.
2. What systems is it used in?
It is used in power distribution systems, generators, motors, and transformers.
3. Is it only for overcurrent protection?
No, it typically supports multiple protection functions including earth fault and system monitoring.
4. Can it be used in generator systems?
Yes, it is widely used in generator and power plant protection systems.
5. Does it require programming?
Yes, protection settings must be configured based on application requirements.
6. Is it suitable for continuous operation?
Yes, it is designed for 24/7 industrial use.
7. What industries use it?
Power generation, utilities, oil & gas, marine, and manufacturing.
8. Does it support communication interfaces?
Yes, many configurations support industrial communication protocols depending on setup.
9. Is it a safety relay?
It functions as a protection relay for electrical system safety and fault isolation.
10. Can it be used in modern systems?
Yes, it is still widely used in both legacy and current industrial protection systems.
